Bumper for robotic vacuum cleaner



FIG. 1 is a perspective view of a bumper for a robotic vacuum cleaner, showing the new design;

FIG. 2 is a top view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a front view thereof; and,

FIG. 6 is a rear view thereof.

Broken lines are used in the drawings to illustrate features that form no part of the claimed design. 

CLAIM We claim the ornamental design for a bumper for a robotic vacuum cleaner, as shown and described. 